200137541 has 4 divisors (see below), whose sum is σ = 200169900. Its totient is φ = 200105184.

The previous prime is 200137537. The next prime is 200137547. The reversal of 200137541 is 145731002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145731002 = 2 ⋅72865501.

It can be written as a sum of positive squares in 2 ways, for example, as 132733441 + 67404100 = 11521^2 + 8210^2 .

It is a cyclic number.

It is not a de Polignac number, because 200137541 - 2² = 200137537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200137547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686 + ... + 20343.

It is an arithmetic number, because the mean of its divisors is an integer number (50042475).

Almost surely, 2^200137541 is an apocalyptic number.

It is an amenable number.

200137541 is a deficient number, since it is larger than the sum of its proper divisors (32359).

200137541 is an equidigital number, since it uses as much as digits as its factorization.

200137541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32358.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 200137541 is about 14146.9975966634. The cubic root of 200137541 is about 584.9375743649.

Adding to 200137541 its reverse (145731002), we get a palindrome (345868543).

The spelling of 200137541 in words is "two hundred million, one hundred thirty-seven thousand, five hundred forty-one".